Abstract
Objectives: This study aims to estimate the accuracy of implant insertion using stereolithographic 3D-printed surgical guides; two types were evaluated: tooth-supported and mucosa-supported guides. Materials and methods: 9 patients were enrolled in this study, 5 males and 4 females, mean age: 49.33 years. 12 implants were inserted using tooth-supported guides While 12 implants were inserted using mucosa-supported guides, deviations between the virtual planned implants and the placed implants were calculated after matching the pre- and post-operative CBCT. Matching process was performed using digital software (Blue Sky Plan); angular deviation, deviation at the entry point and apex of the implant were measured. An independent samples t-test was performed to compare the two groups using SPSS version 25. Results: The mean angular deviations were 3.67 ± 1.61 degrees and 5.46 ± 2.41 degrees with the tooth-supported and mucosa-supported surgical guides respectively, and the mean three‐dimensional deviations were 0.70 ± 0.35 mm and 1.38 ± 0.41 mm at the entry point, 0.99 ± 0.52 mm and 1.86 ± 0.51 mm at the apex, with the tooth-supported and mucosa-supported surgical guides respectively. Conclusions: The results of this study showed that the accuracy of the tooth-supported guide is superior to the mucosa-supported guide.
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